There is a divided opinion between the free market(or classical) economists and Keynesian economists in this argument
The Free market economists argue that the government shouldn't have any role whatsoever in interefering with the market and should let the market continues on its normal business cycle.
The Keynesian economoists would argue that the government has a role to "tame" the economic cycles (making less boom and also less recession).
However, economic cycles are a natural occurance in any economic system and can't be destroyed (or doesn't yet has an example of an economic cycle being destroyed.)
Most governments however do interefere with the market (an example would be huge stimulus packages by governments during the global recession of 2008-2009).
Role of the government is to take taxes.
the government enforces economic laws and regulations
The US constitution says very little about the role of the government in the economic system, and certainly does not include a full description of that role.
To provide all the factors of production to resource markets.
Entrepreneurs
In a Marxian economic function, the government attempts to keep the business cycle of economy from being too high or too low.
Fiscal policy
In a Marxian economic function, the government attempts to keep the business cycle of economy from being too high or too low.
The government's economic role during and after World War 2 expanded. This expansion took place because the country was under the control of the Progressives who wanted an increased governmental role in everything.
Entrepreneurs
It passes economic laws and regulations
It passes economic laws and regulations